<template>
    <div class="login_container"> 
        <div class="login_box">
            <!-- login区域 -->
            <div class="avatar_box">
                <img src="../assets/2.jpg" alt="">
            </div>
            <!-- 表单登录 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0" class="login_form">
                <!-- 用户名 -->
               <el-form-item prop="username">
                 <el-input v-model="loginForm.username"  prefix-icon="iconfont icon-user"></el-input>
               </el-form-item>
               <!-- 密码 -->
               <el-form-item prop="password">
                  <el-input v-model="loginForm.password"  prefix-icon="iconfont icon-3702mima" type="password"></el-input>
               </el-form-item>
               <!-- 注册登录 -->
               <el-form-item class="btns">
               
                      <el-button type="success" @click="login">登录</el-button>
                      <el-button type="info" @click="resetLoginForm">注册</el-button>
                
               </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data() {
        return {
             // 这是登录表单的数据绑定对象
         loginForm: {
            username: 'admin',
            password: '123456'
        },
        loginFormRules: {
          username: [
            { required: true, message: '请输入用户名称', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ],
        }
        };
    },
    created() {

    },
    mounted() {

    },
    methods: {
        // 点击重置按钮，重置表单
        resetLoginForm(){
        this.$refs.loginFormRef.resetFields()
      },
      login(){
          this.$refs.loginFormRef.validate(async valid=>{
              if(!valid) return
              const{data:res}=await this.$http.post('login',this.loginForm)
              if(res.meta.status!==200) return this.$message.error('登录失败！')
              this.$message.success('登录成功！');
            //   1.将登陆成功之后的 token 保存到客户端的 sessionStorage 中
              window.sessionStorage.setItem('token',res.data.token)
            //   2.通过编程式导航跳转到主页后台，路由地址是 /home
            this.$router.push("/home")
          })
      }
    }
};
</script>

<style scoped lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px ;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.avatar_box {
    width: 130px;
    height: 130px;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    background: #fff;
    img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #eee;
}
}


.login_form{
    position: absolute;
    bottom: 0;width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.btns{
  display: flex;
  justify-content: flex-end;
}
</style>


